mysql忘記root密碼
如果不小心忘記了root密碼,那麼mysql就不能再登入了,這時就要重置root密碼才行。通過下面的步驟,我們可以重新設定root密碼。
1、退出mysql
[root@localhost src]# service mysqld stop
停止 mysqld: [确定]
[root@localhost src]#
2、進入sql安全模式,指令“/usr/bin/mysqld_safe --skip-grant-table &”
[root@localhost src]# /usr/bin/mysqld_safe --skip-grant-table &
[1] 6332
[root@localhost src]# 180814 10:10:00 mysqld_safe Logging to '/var/log/mysqld.log'.
180814 10:10:00 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
3、無密碼方式登入,指令“mysql –u root”
[root@localhost src]# mysql -u root
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.1.71 Source distribution
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
4、使用mysql,指令“use mysql;”
mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
5、重設root密碼,指令“update user set password=password (“密碼”) where user=’root’”
mysql> update user set password=password('123456') where user='root';
Query OK, 3 rows affected (0.00 sec)
Rows matched: 3 Changed: 3 Warnings: 0
6、重新整理
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
7、退出,重新登入
[root@localhost src]# mysql -u root -p
Enter password: //這裡輸入新密碼
Your MySQL connection id is 2
Sever version: 5.1.71 Source distribution